Rollback of https://github.com/google/ExoPlayer/commit/9f0fd870e7c82d703ec0957ac47bb971aa763956

*** Original commit ***

Port Exo v1 work around for frame synchronization issue in KitKat to Exo v2.

***

PiperOrigin-RevId: 275372272

library/core/src/main/java/com/google/android/exoplayer2/video/MediaCodecVideoRenderer.java

@@ -1718,11 +1718,6 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer {
     return surface;
   }
 
-  /** Returns true if the first frame has been rendered (playback has not necessarily begun). */
-  protected final boolean haveRenderedFirstFrame() {
-    return renderedFirstFrame;
-  }
-
   protected static final class CodecMaxValues {
 
     public final int width;